A wave has a speed of 123m/s and a frequency of 230 Hz. What is its wavelength?

A passenger on your boat falls overboard. what should you do while this person is being pulled back into the boat?

The amount of gravity between 1kg of lead and Earth is ___ the amount of gravity between 1kg of marshmallows and Earth. a. greater than b. less than c. the same as d. none of the above

Suppose you want to test the hypothesis that plants grow taller when they receive more sunlight. Identify and independent variable and a dependent variable for this investigation.

Satelite communication is only possible using A) analog transmission. B) digital transmission. C) sound waves to transmit signal. D) cellular devices such as phones.

What are the three major categories of galaxies?

The 3.00 kg cube in fig. 15-47 has edge lengths d 6.00 cm and is mounted on an axle through its center. a spring (k 1200 n/m con - nects the cube's upper corner to a rigid wall. initially the spring is at its rest length.

A freight train traveling with a velocity of - 4. o m/s begins backing into a train yard. if the train's average acceleration is - 0.27 m/s^2 what is the trains velocity after 17s

How can we describe an atom

What is the volume of a gold nugget that weight 2.20kg. the density of gold is 19g/cm^3 ... ?

Explain how newton's first law of motion can be considered to be a consequence of newton's second law.